I was keeping some php logs on my local server about the status of my database. Accidentally I uploaded these same files to the 000webhost servers.
What this resulted in was creation of huge logfiles in my FTP account. However, when I tried to fix the issue by deleting the code and removing the files, I faced another unique issue.
The local files had their logfile path as c:/blah/blah… (you get it). However I 000webhost has a linux backend(I guess) and what happened here was it literally created files with the name ‘c:/blah/blah’.
Now, when I am trying to delete this files via ftp or the web manager, I am getting a bad filename error.
So I am stuck with these huge files that have filled my disk quota. Any clue on how to resolve this issue without resetting the website?
If you have a backup of your website and database, go to your cPanel>Settings>General and hit reset website. 
Hi @TreasonGuy!
Yes, we are using a UNIX-based OS on our servers. Where are the logs located right now?
Try this,
1)First Rename particular file, then try to delete.
else
Give full permission(777), then try to delete.